.content {
    margin: 92px auto;
    margin: 0.92rem auto;
}
.partner {
    position: relative;
    float: left;
    width: 345px;
    width: 3.45rem;
    height: 205px;
    height: 2.05rem;
    box-sizing: border-box;
}
.partner:not(:nth-child(4n)) {
    border: 1px solid #00A0E9;
    border-right: 0;
}
.partner:nth-child(4n) {
    border: 1px solid #00A0E9;
}
.partner.noborder-bottom {
    border-bottom: 0;
}
.partner img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 305px;
    width: 3.05rem;
    height: 68px;
    height: 0.68rem;
    transform: translate(-50%,-50%);
}